Cossacks 2
Expansions of some 2004 games (*cough* CA any work on an expansion for RTW? )
Heroes of Fallen Empires (or something, its basically Fantasy Cossacks)
HoI 2
Age of Empires 3(Interesting Physics engine implementation)
FEAR

Probably lots of other games.... but anyways most the games are the same as alot of people listed above.